[PATCH] D149568: [AMDGPU][NFC] Preserve PDTWrapperPass in UnifyDivergentExitNodes

[Anshil Gandhi via Phabricator via llvm-commits]

gandhi21299 created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149568

Files:
  llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp


Index: llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
@@ -103,10 +103,10 @@
 
   AU.addRequired<UniformityInfoWrapperPass>();
 
-  if (RequireAndPreserveDomTree) {
+  if (RequireAndPreserveDomTree)
     AU.addPreserved<DominatorTreeWrapperPass>();
-    // FIXME: preserve PostDominatorTreeWrapperPass
-  }
+
+  AU.addPreserved<PostDominatorTreeWrapperPass>();
 
   // No divergent values are changed, only blocks and branch edges.
   AU.addPreserved<UniformityInfoWrapperPass>();


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